<?php
$month = 'mar';

switch ($month)
{
  case 'jan': echo 'Sunday';
  case 'feb': echo 'Monday';   break;
  case 'mar': echo 'Tuesday ';
  case 'apr': echo 'Wednesday ';
  default: echo "No Match Found ";
}

/*
 * "Tuesday Wednesday No Match Found"
 * because "break" statement is missing
 * from the end of matched case "mar"
 * */
echo "\n\n\n\n";
